<template>
  <div>
    <div class="row">
      <div class="col-md-6">
        <p>
          <button @click="add1()" class="btn btn-white btn-default btn-round">
            <i class="ace-icon fa fa-edit"></i>
            新增一级
          </button>
          &nbsp;
          <button @click="all()" class="btn btn-white btn-default btn-round">
            <i class="ace-icon fa fa-refresh"></i>
            刷新
          </button>
        </p>

        <table id="level1-table" class="table  table-bordered table-hover">
          <thead>
          <tr>
            <th>id</th>
            <th>父id</th>
            <th>名称</th>
            <th>顺序</th>
            <th>操作</th>
          </tr>
          </thead>

          <tbody>
          <tr v-for="category in level1" @click="onClickLevel1(category)"
              :class="{'active' : category.id === active.id}">
            <td>{{ category.id }}</td>
            <td>{{ category.name }}</td>
            <td>{{ category.sort }}</td>
            <td>
              <div class="hidden-sm hidden-xs btn-group">
                <button @click="edit(category)" class="btn btn-xs btn-info">
                  <i class="ace-icon fa fa-pencil bigger-120"></i>
                </button>
                <button @click="del(category.id)" class="btn btn-xs btn-danger">
                  <i class="ace-icon fa fa-trash-o bigger-120"></i>
                </button>
              </div>
            </td>
          </tr>
          </tbody>
        </table>
      </div>
      <div class="col-md-6">
        <p>
          <button @click="add2()" class="btn btn-white btn-default btn-round">
            <i class="ace-icon fa fa-edit"></i>
            新增二级
          </button>
        </p>
        <table id="level2-table" class="table  table-bordered table-hover">
          <thead>
          <tr>
            <th>id</th>
            <th>名称</th>
            <th>顺序</th>
            <th>操作</th>
          </tr>
          </thead>

          <tbody>
          <tr v-for="category in level2">
            <td>{{ category.id }}</td>
            <td>{{ category.name }}</td>
            <td>{{ category.sort }}</td>
            <td>
              <div class="hidden-sm hidden-xs btn-group">
                <button @click="edit(category)" class="btn btn-xs btn-info">
                  <i class="ace-icon fa fa-pencil bigger-120"></i>
                </button>
                <button @click="del(category.id)" class="btn btn-xs btn-danger">
                  <i class="ace-icon fa fa-trash-o bigger-120"></i>
                </button>
              </div>
            </td>
          </tr>
          </tbody>
        </table>
      </div>
    </div>

    <div id="form-modal" class="modal fade" tabindex="-1" role="dialog">
      <div class="modal-dialog" role="document">
        <div class="modal-content">
          <div class="modal-header">
            <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span
                aria-hidden="true">&times;</span></button>
            <h4 class="modal-title">表单</h4>
          </div>
          <div class="modal-body">
            <form class="form-horizontal">
              <div class="form-group">
                <label class="col-sm-2 control-label">父分类</label>
                <div class="col-sm-10">
                  <p class="form-control-static">{{ active.name || "无" }}</p>
                </div>
              </div>
              <div class="form-group">
                <label class="col-sm-2 control-label">名称</label>
                <div class="col-sm-10">
                  <input v-model="category.name" class="form-control">
                </div>
              </div>
              <div class="form-group">
                <label class="col-sm-2 control-label">顺序</label>
                <div class="col-sm-10">
                  <input v-model="category.sort" class="form-control">
                </div>
              </div>
            </form>
          </div>
          <div class="modal-footer">
            <button type="button" class="btn btn-default" data-dismiss="modal">取消</button>
            <button @click="save()" type="button" class="btn btn-primary">保存</button>
          </div>
        </div><!-- /.modal-content -->
      </div><!-- /.modal-dialog -->
    </div><!-- /.modal -->
  </div>
</template>

<script>
export default {
  name: "business-category",
  data: function () {
    return {
      category: {},
      categorys: [],
      level1: [],
      level2: [],
      active: {}
    }
  },
  mounted: function () {
    let _this = this;
    _this.all();

  },
  methods: {
    /**
     * 点击【新增一级】
     */
    add1() {
      let _this = this;
      _this.active = {}
      _this.level2 = {}
      _this.category = {
        parent: "00000000"
      };
      $("#form-modal").modal("show");
    },
    /**
     * 点击【新增二级】
     */
    add2() {
      let _this = this;
      if (Tool.isEmpty(_this.active)) {
        Toast.warning("请先点击一级分类")
        return
      }
      _this.category = {
        parent: _this.active.id
      };
      $(".modal").modal("show");
    },

    /**
     * 点击【编辑】
     */
    edit(category) {
      let _this = this;
      _this.category = $.extend({}, category);
      $("#form-modal").modal("show");
    },

    /**
     * 列表查询
     */
    all() {
      let _this = this;
      Loading.show();
      _this.$api.post(process.env.VUE_APP_SERVER + '/business/admin/category/all').then((response) => {
        Loading.hide();
        let resp = response.data;
        _this.categorys = resp.content
        console.log("ccc" + _this.categorys)

        // 将所有记录格式化成树形结构
        _this.level1 = [];
        for (let i = 0; i < _this.categorys.length; i++) {
          let c = _this.categorys[i];
          if (c.parent === '00000000') {
            _this.level1.push(c);
            for (let j = 0; j < _this.categorys.length; j++) {
              let child = _this.categorys[j];
              if (child.parent === c.id) {
                if (Tool.isEmpty(c.children)) {
                  c.children = [];
                }
                c.children.push(child);
              }
            }
          }
        }

        _this.level2 = [];
        // 对当前一级分类中选中的表格触发一次点击事件，以刷新二级菜单列表
        // 注意：界面的渲染需要等vue绑定好变量后才做，所以加延时100ms
        setTimeout(function () {
          $("tr.active").trigger("click");
        }, 100);
      })
    },

    /**
     * 点击【保存】
     */
    save() {
      let _this = this;

      // 保存校验
      if (1 != 1
          || !Validator.require(_this.category.parent, "父id")
          || !Validator.require(_this.category.name, "名称")
          || !Validator.length(_this.category.name, "名称", 1, 50)
      ) {
        return;
      }

      Loading.show();
      _this.$api.post(process.env.VUE_APP_SERVER + '/business/admin/category/save', _this.category).then((response) => {
        Loading.hide();
        let resp = response.data;
        if (resp.success) {
          $("#form-modal").modal("hide");
          _this.all();
          Toast.success("保存成功！");
        } else {
          Toast.warning(resp.message)
        }
      })
    },

    /**
     * 点击【删除】
     */
    del(id) {
      let _this = this
      Confirm.show("删除分类后不可恢复, 确认删除 !", function () {
        Loading.show()
        _this.$api.delete(process.env.VUE_APP_SERVER + '/business/admin/category/delete/' + id).then((res) => {
          Loading.hide()
          let resp = res.data
          if (resp.success) {
            _this.all()
            Swal.fire(
                '删除成功!',
                '删除成功！',
                'success'
            )
          }
        })
      })
    },
    onClickLevel1(category) {
      let _this = this
      _this.active = category
      _this.level2 = category.children
    }
  }
}
</script>
<style scoped>
.active td {
  background-color: #d6e9c6 !important;
}
</style>
